Vice President JD Vance's team is preparing for a competitive 2028 Republican primary race as potential rivals begin positioning themselves for a possible run. Vance is attempting to rebuild support amongst GOP factions through diplomatic outreach, including efforts to address concerns within the Jewish community regarding his association with Tucker Carlson. The shifting dynamics reflect broader uncertainty about Donald Trump's successor and ideological divisions within the Republican Party over foreign policy, particularly regarding military intervention in Iran.

In recent polling, Vance leads with 44 percent support amongst Republican voters, followed by Secretary of State Marco Rubio at 21 percent and Texas Senator Ted Cruz at just 3 percent. Louisiana Senator John Kennedy, aged 74, has publicly hinted at a potential presidential run if numerous candidates enter the race, despite saying his primary intention is Senate reelection. Vance's role as Republican National Committee finance chair provides significant fundraising advantages over rivals, though billionaire Ken Griffin has indicated preference for supporting Rubio. Vance's betting odds on prediction markets have fluctuated considerably, dropping from 43 percent in February to 31 percent in June before recovering to 45 percent.